later including Oracle Instant Client. ruby-mysql - This is MySQL connector. pure Ruby version mysqlplus - Enhanced Ruby MySQL driver postgres-pr - A pure Ruby interface to the PostgreSQL (>= 7.4) database postgresql_cursor - PostgreSQL Cursor

ails db:migrate /home/ruby/.rvm/gems/ruby-3.0.0/gems/mysql2-0.5.5/lib/mysql2/client.rb:97: [BUG] Segmentation fault at 0x0000000000000000 ruby 3.0.0p0 (2020-12

reader :config, :paths, :app def initialize(app, config, paths) @app = app @config = config @paths = paths end def build_stack ActionDispatch::MiddlewareStack.new do |middleware| if config.force_ssl middleware.use ::ActionDispatch::SSL, config.ssl_options end middleware.use ::Rack::Sendfile

read the manual to learn how to fix this problem: section 'Troubleshooting' -> 'Upon accessing the web app, Nginx reports a "Permission denied" error'; Extra info, client: 127.0.0.1, server: bluesrailsblog.com, request: "GET / HTTP/1.1", host: "bluesrailsblog.com

later This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Type "show copying" and "show warranty" for details. This

later migrations canceled: wrong number of arguments(1 for 0)/home/weizhuli/.rvm/gems/ruby-1.9.3-p448/gems/activerecord-4.2.0.beta4/lib/active_record/connection_adapters/abstract_adapter.rb:271:in `initialize' gemfile 文件版本配置信息如下: source 'https://rubygems.org' # Bundle edge Rails instead: gem 'rails', github: 'rails/rails' gem 'rails', '4.2.0.beta4' # Use sqlite3

read and execute the instructions below. Please use a separate terminal to execute any additional commands. Notes for Mac OS X 10.8, Xcode 4.5.1. For JRuby: Install the JDK. See http://developer.apple.com/java/download/ # Current Java

read /home/teacher/.rvm/log/1383292840/update_system.log Requirements installation failed with status: 100. 查看 log 如下： [2013-11-01 16:00:40] requirements_debian_update_system requirements_debian_update_system () { __rvm_try_sudo apt-get --quiet --yes update || { typeset

read the links of ruby-doc carefully, you may notice that actually the variable is fiber-local instead of thread-local. Since we rarely use fibers these days, especially for new 2.x Ruby versions

pleased to announce the release of Ruby 2.2.0. Ruby 2.2 includes many new features and improvements for the increasingly diverse and expanding demands for Ruby. For example, Ruby’s Garbage Collector is now able

最近从基础开始学习 JS, 被其中的动态类型转换弄得受不了了, 于是写了Jsquirks (好吧, 我承认是我在参加 Elance 的 JS Skill Test 时被里面的题玩了, 于是我才决定重基础开始研究 JS 的

place everywhere. In Ruby 2.0.0, you can make this kind of change just for yourself using Module#refine: # Ruby 2.0 module IncludeRangeExt refine Range do # Extends the default Range#include? to support range comparisons

later 好自觉的程序猿啊，酒后不宜改代码，多提倡，建议立法机关考虑加条规定，凡是酒后写代码的，一律立案侦办！ #define TRUE FALSE 可以想象当这个 commit 被 merge 进生产环境之后。。。哈哈，整个世界黑白颠倒！对的就是错的，错的就是对的！！！ return 1; # returns 1 这。。。不。。。是。。。废。。。话。。。吗。。。？！ Catch (Exception e) { //who cares? } 哈哈

later in the file. # # All of these directives may appear inside containers, # in which case these default settings will be overridden for the # virtual host being defined. # # # ServerAdmin: Your address, where problems with the server

plus one, and it's two. I wish Ruby was distributed in this way. Actually, it's not. Currently Ruby was distributed in source code form, and there's no, almost no binary distribution. There

read pain report. The higher the score, the more pain the code is in. * [fukuzatsu](https://gitlab.com/coraline/fukuzatsu/tree/master) - Complexity analysis tool with a rich web front-end. * [MetricFu](https://github.com/metricfu/metric_fu) - A fist full

later expect(UploadBackupsJob).to have_been_performed.on_queue("default") end end 运行测试 $ rspec spec/jobs/upload_backups_job_spec.rb all 通过测试 request rspecRequest spec 使用 Rails 内部方法管理 Widget # spec/requests/widget_management_spec.rb require "rails_helper" RSpec.describe "Widget management", :type => :request do it "creates a Widget

later.” 3.诉求 希望知道从何入手排错，让 ip 访问能出来 rails 页面。 4.passenger 和 nginx 都正常启动 5.nginx/error.log 日志如下 deploy@rails-server-02:~$ sudo less /var/log/nginx/error.log App 6137 output: /home/deploy/sunapp/shared/bundle/ruby/2.6.0/gems/bootsnap-1.4.1/lib/bootsnap/load_path_cache/core_ext/kernel_require.rb:29:in `require' App 6137 output: /home/deploy/sunapp/shared/bundle/ruby/2.6.0/gems/activesupport-5.2.2.1/lib/active_support/dependencies.rb

# The Ruby Style Guide > 风格可以用来区分从好到卓越。 > -- Bozhidar Batsov > 榜样很重要。 > -- Officer Alex J. Murphy / RoboCop 有一件事情总是困扰着，作为Ruby程序员的我

later [count]? 类似 g-，但方向相反 内容变更记录会储存在内存中，当 Vim 退出时就会清空。如果需要持久化存储内容变更记录，请参阅备份文件，交换文件，撤销文件以及 viminfo 文件的处理章节的内容。 如果你觉得这一部分的内容难以理解，请参阅 undotree，这是一个可视化管理内容变更历史记录的插件。类似的还有 vim-mundo。 请参阅以下链接获取更多帮助： :h undo.txt :h usr_32 返回主目录 全局位置信息表，局部位置信息表 在某一个动作返回一系列「位置」的时候，我们可以利用